Spyros, M. et al.(1983).Forecasting : methods and applications. Second Edition / Spyros Makridakis, Steven Weelright, Victor E. McGee (Ed.ke-2).New York:John Wiley n Sons.
Gaya MLA
Makridakis, Spyros. et al."Forecasting : methods and applications. Second Edition / Spyros Makridakis, Steven Weelright, Victor E. McGee".Ed.ke-2New York:John Wiley n Sons,1983.Textbook.